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4. To reinstall the front bezel, align the other three plastic tabs on the bottom of the front bezel with the
corresponding holes in the chassis, then pivot the front bezel inward until it snaps into position.
Figure 56. Reinstalling the front bezel
Accessing the system board components and drives
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the ThinkCentre User Guide. To obtain a copy of the ThinkCentre User Guide, go to:
http://www.lenovo.com/ThinkCentreUserGuides
This section provides instructions on how to access the system board components and drives.
To access the system board components and drives, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Open the computer cover. See “Opening the computer cover” on page 121.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 122.
4. Remove the heat sink fan duct. See “Replacing the heat sink and fan assembly” on page 139.
5. Remove the hard disk drive. See “Replacing the hard disk drive” on page 134.
6. Pivot the optical drive bay upward to access the system board components and the cables. See
“Replacing the optical drive” on page 137
.
124 ThinkCentre Hardware Maintenance Manual